4X(Product description: Handwheel< />Material: plastic, metal< />With removable twist grip and threaded hole for easy attachment of the handle; common use for industrial machine tools, such as milling machines, lathes, grinding machines, etc. < />Bore diameter: about 10mm / 0.4 inches< />Wheel diameter: . 80mm (3.1 inches)< />Handle size: 15 x 31mm (max.< />Size of hexagon attachment: . 6 mm< />Thickness: . 11 mm< />Color: Black< />Weight: 116g< />Package Included: < />1 x handwheel< />1 x rotary handle< />Only the above package content, other produc are not included.< />Note: Light ing and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.)